Watanabe Kumiko CDs (miscellaneous)
Kumiko appears (sings/talks) in the following miscellaneous CDs.
| 1991 11.21 | Pathway for Santa Claus -Santa ga kureta okurimono- (MECH-30019) | Talk |
| 1995 06.28 | Lunar Eternal Blue Lunatic Parade vol 1 (TYCY-5444) | Talk |
| 1995 09.13 | Lunar Eternal Blue Lunatic Parade vol 2 (TYCY-5452) | Talk |
| 1998 04.03 | Hanasaki Komachi Girls (KICA-399) | Song/Talk |
| 1998 11.27 | First Anniversary Akihabara Dennou Gumi (KICA-431) | Talk |
| 1999 11.25 | Sensei no Ojikan Volume 4 (AVCT-15013) | Talk |
| 2000 07.19 | Little Princess drama CD (SCDC-00030) | Talk |
